Finding the Fourth Proportional to 405,802.14, 608,120.92 and 227,934.81
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Solution
The fourth proportional to 405,802.14, 608,120.92 and 227,934.81 is: 341,575.15
Step by Step Solution
- Step 1: Write the proportion equation
405,802.14 : 608,120.92 = 227,934.81 : x - Step 2: Convert to fraction form
405,802.14/608,120.92 = 227,934.81/x - Step 3: Cross multiply
405,802.14x = 608,120.92 × 227,934.81 - Step 4: Simplify right side
405,802.14x = 138,611,926,357.23 - Step 5: Solve for x
x = 138,611,926,357.23/405,802.14 - Step 6: Final answer
x = 341,575.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.